Robot Arms with Artificial Muscles are Lightweight and Flexible

These shape memory robotic arms eliminate the need for joints, rigid skeletons, or framework.

Rapid 3D Printing of Biomedical Parts

The structures’ small size and porosity make them well-suited for building components such as replacement joints.

Products of Tomorrow

Semi-Liquid Metal Anode for Next-Generation Batteries

Researchers from Carnegie Mellon University have developed a semi-liquid lithium metal-based anode. Lithium batteries made using this new electrode type...

Nickel Titanium Alloy Ball Bearings

Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy...

Method Creates Wood Substance Stronger Than Titanium

A new way to treat wood makes it 12 times stronger than natural wood and ten times tougher. The wood substance could be comparable to steel or titanium alloys; it is also comparable to...

System for Repairing Cracks in Structures

NASA’s Langley Research Center has developed an innovative coating to heal cracks in metal components, such as in aircraft and bridges. Currently, the coating is used for in-laboratory repairs of...

Pulsed Ultrasonic Stir Welding System

NASA’s Marshall Space Flight Center (MSFC) developed Ultrasonic Stir Welding (USW) to join large pieces of very high-strength metals such as titanium and Inconel. USW, a solid-state weld process,...

Susan Draper, Materials Research Engineer, Glenn Research Center, Cleveland, OH

Susan Draper performs microstructural analysis of metals and determines where fractures have occurred and propagated. Draper is currently characterizing...

Additive Manufacturing of Ti-6Al-4V Alloy Components for Spacecraft Applications

In the past two decades, there have been significant advancements in the field of additive manufacturing (AM) of titanium alloy (Ti-6Al-4V) and other metallic...

Applications for Gradient Metal Alloys Fabricated Using Additive Manufacturing

Recently, additive manufacturing (AM) techniques have been developed that may shift the paradigm of traditional metal production by allowing complex netshaped...

Castable Amorphous Metal Mirrors and Mirror Assemblies

The use of mirror assemblies is commonplace in the aerospace industry, as most satellites and spacecraft contain optics. The fabrication of these mirrors is extremely complex due to the...

Laser Beam vs. Electron Beam Welding Which process works best for what?

Proponents of laser beam welding (LBW) and electron beam (EBW) welding each pronounce the singular praises of their favored technology, but often the best solution for a...

Direct Metal Laser-Sintering of Titanium

During the first decade of direct metal laser-sintering (DMLS), the metals employed were generally ones developed specifically for DMLS, rather than those used in traditional metalforming methods. But...

Simulation of Heat Generation in Analyzing Thermoelastic Instability in Disk Brakes

During a vehicle's braking action, a wheel's kinetic energy is transformed into heat, which doesn't dissipate fast enough into the air stream from the brake...

PM Gamma Titanium Aluminide and Fabrication Techniques

A γ titanium aluminide alloy produced by a powder-metal (PM) process, and techniques for fabricating sheets and sheet-metal components from the alloy, have been developed. The alloy and...